英伟达H200相关PCB组件被传已暂停生产

Group 1 - Nvidia's founder and CEO Jensen Huang visited China in January 2026, engaging with employees and attending New Year events in Shanghai, Beijing, and Shenzhen [1] - The H200 chip, launched in November 2023, features a groundbreaking 141GB HBM3e memory system, significantly enhancing the capability to process large models [2] - The U.S. government approved Nvidia's export of the H200 chip to China under certain conditions, including a 25% sales revenue fee, despite opposition from hawkish lawmakers [2] Group 2 - The production of key components for the H200 chip, such as printed circuit boards (PCBs), has been halted due to uncertainties surrounding U.S. export controls [2] - PCBs are essential for GPU/AI chips, providing physical support, signal transmission, and power distribution [3] - Different GPU models may require specific PCB designs based on their pin configurations and intended applications, leading to multiple differentiated PCB versions for the same GPU [3] Group 3 - Domestic GPU companies, including Moer Technology, Muxi Co., Biran Technology, and Tianshu Zhixin, rely on PCBs as a crucial raw material [4] - Shenghong Technology is identified as a core PCB supplier for domestic GPU manufacturers, holding over 50% of the global graphics card PCB market share [5] - Huadian Co. is another significant supplier, focusing on high-layer boards for UBB motherboards and data center computing boards [5]